Source : Webster's Revised Unabridged Dictionary (1913)

Championship \Cham"pi*on*ship\, n.
   State of being champion; leadership; supremacy.

Source : WordNet®

championship
     n 1: the status of being a champion; "he held the title for two
          years" [syn: {title}]
     2: the act of providing approval and support; "his vigorous
        backing of the conservatives got him in trouble with
        progressives" [syn: {backing}, {backup}, {patronage}]